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Finding the Fourth Proportional to 5,399, 8,099 and 2,476.88

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Solution

The fourth proportional to 5,399, 8,099 and 2,476.88 is: 3,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399 : 8,099 = 2,476.88 : x
  2. Step 2: Convert to fraction form
    5,399/8,099 = 2,476.88/x
  3. Step 3: Cross multiply
    5,399x = 8,099 × 2,476.88
  4. Step 4: Simplify right side
    5,399x = 20,060,251.12
  5. Step 5: Solve for x
    x = 20,060,251.12/5,399
  6. Step 6: Final answer
    x = 3,715.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.